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Tensor Factorization based Estimates of Parallel Wiener-Hammerstein Models

Boekbijdrage - Boekhoofdstuk Conferentiebijdrage

Factoring the third-order Volterra kernel of a Wiener-Hammerstein model to recover the impulse responses of its two constituent linear systems is a common example in the multilinear algebra literature. Since recent progress in regularization-based system identification has enabled the practical estimation of the third-order Volterra kernel, these tensor factorization based approaches have become attractive. We extend one of these Wiener-Hammerstein factorization methods to the case of the Parallel Wiener-Hammerstein model, since, unlike the WH model, this structure is a universal approximator for Volterra systems. The efficacy of the method is demonstrated using numerical simulations.
Boek: IFAC International World Congress
Edition: 1
Series: IFAC-PapersOnLine
Volume: 50
Pagina's: 9468-9473
Aantal pagina's: 6
ISBN:2405-8963
Jaar van publicatie:2017
Trefwoorden:Nonlinear system identification, Nonparametric methods, Subspace methods, Tensors, Volterra Kernels, CPD, Block Structured Models